package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo2 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("zxc.jpg8");
        FileOutputStream fos=new FileOutputStream("zxc_cp2.jpg");
        long start=System.currentTimeMillis();
        byte[] data=new byte[1024*10];
        int d;
        while ((d=fis.read(data))!=-1){
            System.out.println(d);
            fos.write(data,0,d);
           // 54272 40960
        }
        long end=System.currentTimeMillis();
        System.out.println(end-start+"ms");
       // FileNotFoundException


    }
}
